# Norovirus Genogroup II outbreak — Wisconsin, 2011-01
> **Person-to-person** · Confirmed · 77 ill / 1 hosp / 4 deaths
## Outbreak
- **NORS ID:** NORS-5bb1585c4cf2
- **Date:** 2011-01
- **State:** Wisconsin
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus Genogroup II (unknown)
- **Etiology status:** Confirmed
- **Setting:** Hospital
## Impact
- **Illnesses:** 77
- **Hospitalizations:** 1
- **Deaths:** 4
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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